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78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
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/* Copyright 2010 Juan Rada-Vilela
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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* SingletonTerm.cpp
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*
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* Created on: Jan 7, 2010
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* Author: jcrada
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*/
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#include "SingletonTerm.h"
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namespace fl {
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SingletonTerm::SingletonTerm() :
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LinguisticTerm() {
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}
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SingletonTerm::SingletonTerm(const std::string& name, flScalar value) :
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LinguisticTerm(name, value - 5 * FL_EPSILON, value + 5 * FL_EPSILON), _value(value) {
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}
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SingletonTerm::SingletonTerm(const FuzzyOperator& fuzzy_op, const std::string& name,
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flScalar value) :
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LinguisticTerm(fuzzy_op, name, value - 5 * FL_EPSILON, value + 5 * FL_EPSILON), _value(
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value) {
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}
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SingletonTerm::~SingletonTerm() {
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}
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void SingletonTerm::setValue(flScalar value) {
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this->_value = value;
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setMinimum(value - 5 * FL_EPSILON);
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setMaximum(value + 5 * FL_EPSILON);
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}
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flScalar SingletonTerm::value() const {
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return this->_value;
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}
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SingletonTerm* SingletonTerm::clone() const {
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return new SingletonTerm(*this);
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}
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flScalar SingletonTerm::membership(flScalar crisp) const {
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return fuzzyOperator().modulation().execute(modulation(), FuzzyOperation::IsEq(crisp, value())
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? flScalar(1.0) : flScalar(0.0));
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}
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LinguisticTerm::eMembershipFunction SingletonTerm::type() const {
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return MF_SINGLETON;
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}
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std::string SingletonTerm::toString() const {
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std::stringstream ss;
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ss << LinguisticTerm::toString();
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ss << "Singleton (" << value() << ")";
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return ss.str();
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}
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} // namespace fl
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